No problem, we've got 1616 and 1260 to multiply
1616 × 1260 = 1260 × (1616)
+ 1260 × 6 yielding 7560
+ 1260 × 10 giving us 12600
+ 1260 × 600 yielding 756000
+ 1260 × 1000 that is equal 1260000

= 2036160
